Added get json schema endpoints

Added runtime-controlloop endpoint to return Json Schema
Schema returned can be for specified type within Tosca Service Template
Added Camel in runtime endpoint to proxy the Schema endpoint

Dependency added to pom for the json schema generation

Issue-ID: POLICY-3439
Change-Id: I2a98ce16dfb3761a174c90f4b965d1a37a0d8576
Signed-off-by: saul.gill <saul.gill@est.tech>

4 files changed, 91 insertions, 0 deletions

diff --git a/runtime/src/main/resources/clds/camel/rest/clamp-api-v2.xml b/runtime/src/main/resources/clds/camel/rest/clamp-api-v2.xml
index d560db660..8a7523c2b 100644
--- a/runtime/src/main/resources/clds/camel/rest/clamp-api-v2.xml
+++ b/runtime/src/main/resources/clds/camel/rest/clamp-api-v2.xml
@@ -1575,6 +1575,40 @@
                 </doTry>
             </route>
         </get>
+        <get uri="/v2/toscaControlLoop/getJsonSchema" outType="java.lang.String" bindingMode="off" produces="application/json">
+            <route>
+                <removeHeaders pattern="*"
+                               excludePattern="section"/>
+                <doTry>
+                    <to uri="bean:org.onap.policy.clamp.flow.log.FlowLogOperation?method=startLog(*, 'GET Json Schema ')"/>
+                    <to uri="bean:org.onap.policy.clamp.authorization.AuthorizationController?method=authorize(*,'cl','','read')"/>
+                    <setHeader name="Content-Type">
+                        <constant>application/json</constant>
+                    </setHeader>
+                    <setProperty name="raiseHttpExceptionFlag">
+                        <simple resultType="java.lang.Boolean">true</simple>
+                    </setProperty>
+                    <to uri="direct:get-json-schema"/>
+                    <to uri="bean:org.onap.policy.clamp.flow.log.FlowLogOperation?method=endLog()"/>
+                    <doCatch>
+                        <exception>java.lang.Exception</exception>
+                        <handled>
+                            <constant>true</constant>
+                        </handled>
+                        <to
+                                uri="bean:org.onap.policy.clamp.flow.log.FlowLogOperation?method=errorLog()"/>
+                        <log loggingLevel="ERROR"
+                             message="GET JSON Schema request failed: ${exception.stacktrace}"/>
+                        <setHeader name="CamelHttpResponseCode">
+                            <constant>500</constant>
+                        </setHeader>
+                        <setBody>
+                            <simple>GET JSON Schema FAILED</simple>
+                        </setBody>
+                    </doCatch>
+                </doTry>
+            </route>
+        </get>
 
         <post uri="/v2/toscaControlLoop/postToscaInstantiation"
               type="java.lang.String"
diff --git a/runtime/src/main/resources/clds/camel/routes/controlloop-flows.xml b/runtime/src/main/resources/clds/camel/routes/controlloop-flows.xml
index b7da4a743..a888d6bf0 100644
--- a/runtime/src/main/resources/clds/camel/routes/controlloop-flows.xml
+++ b/runtime/src/main/resources/clds/camel/routes/controlloop-flows.xml
@@ -104,4 +104,32 @@
             </doFinally>
         </doTry>
     </route>
+    <route id="get-json-schema">
+        <from uri="direct:get-json-schema"/>
+        <doTry>
+            <log loggingLevel="INFO"
+                 message="Getting the JSON Schema"/>
+            <to
+                    uri="bean:org.onap.policy.clamp.flow.log.FlowLogOperation?method=invokeLog('ControlLoop', 'Getting the JSON Schema')"/>
+            <setHeader name="CamelHttpMethod">
+                <constant>GET</constant>
+            </setHeader>
+            <setHeader name="Content-Type">
+                <constant>application/json</constant>
+            </setHeader>
+            <setProperty name="section">
+                <simple>${header.section}</simple>
+            </setProperty>
+            <log loggingLevel="INFO"
+                 message="Endpoint to get Json Schema: {{clamp.config.controlloop.runtime.url}}/onap/controlloop/v2/commission/toscaServiceTemplateSchema"></log>
+            <toD
+                    uri="{{clamp.config.controlloop.runtime.url}}/onap/controlloop/v2/commission/toscaServiceTemplateSchema?section=${exchangeProperty[section]}&amp;bridgeEndpoint=true&amp;useSystemProperties=true&amp;throwExceptionOnFailure=${exchangeProperty[raiseHttpExceptionFlag]}&amp;authMethod=Basic&amp;authUsername={{clamp.config.controlloop.runtime.userName}}&amp;authPassword={{clamp.config.controlloop.runtime.password}}&amp;authenticationPreemptive=true&amp;connectionClose=true"/>
+            <convertBodyTo type="java.lang.String"/>
+            <doFinally>
+                <to uri="direct:reset-raise-http-exception-flag"/>
+                <to
+                        uri="bean:org.onap.policy.clamp.flow.log.FlowLogOperation?method=invokeReturnLog()"/>
+            </doFinally>
+        </doTry>
+    </route>
 </routes>
diff --git a/runtime/src/test/java/org/onap/policy/clamp/runtime/RuntimeCommissioningResponseTestItCase.java b/runtime/src/test/java/org/onap/policy/clamp/runtime/RuntimeCommissioningResponseTestItCase.java
index 0ba1486bb..7616d7a49 100644
--- a/runtime/src/test/java/org/onap/policy/clamp/runtime/RuntimeCommissioningResponseTestItCase.java
+++ b/runtime/src/test/java/org/onap/policy/clamp/runtime/RuntimeCommissioningResponseTestItCase.java
@@ -47,6 +47,20 @@ public class RuntimeCommissioningResponseTestItCase {
             + " \"name\": \"ToscaServiceTemplateSimple\", \"version\": \"1.0.0\", \"metadata\": {}}";
 
     @Test
+    public void testToscaServiceTemplateSchemaStatus() {
+        ProducerTemplate prodTemplate = camelContext.createProducerTemplate();
+
+        Exchange exchangeResponse =
+            prodTemplate.send("direct:get-json-schema", ExchangeBuilder.anExchange(camelContext)
+                .withProperty("section", "data_types")
+                .withProperty("raiseHttpExceptionFlag", "true")
+                .build());
+
+        assertThat(HttpStatus.valueOf((Integer) exchangeResponse.getIn().getHeader(Exchange.HTTP_RESPONSE_CODE))
+            .is2xxSuccessful()).isTrue();
+    }
+
+    @Test
     public void testToscaServiceTemplateStatus() {
         ProducerTemplate prodTemplate = camelContext.createProducerTemplate();
 
diff --git a/runtime/src/test/resources/http-cache/third_party_proxy.py b/runtime/src/test/resources/http-cache/third_party_proxy.py
index 50bd43a35..1aaf4024d 100644
--- a/runtime/src/test/resources/http-cache/third_party_proxy.py
+++ b/runtime/src/test/resources/http-cache/third_party_proxy.py
@@ -283,6 +283,21 @@ class Proxy(SimpleHTTPServer.SimpleHTTPRequestHandler):
              with open(cached_file_content, 'w+') as f:
                  f.write(jsonGenerated)
          return True
+     elif (self.path.startswith("/onap/controlloop/v2/commission/toscaServiceTemplateSchema")) and http_type == "GET":
+         if not _file_available:
+             cached_file_folder = cached_file_folder.split('bridgeEndpoint')[0]
+             print ("cached file folder for onap is %s: ", cached_file_folder)
+             print "self.path start with /onap/controlloop/v2/commission/, generating response json..."
+             jsonGenerated =  "{\"tosca_definitions_version\": \"tosca_simple_yaml_1_1_0\",\"data_types\": {},\"node_types\": {}, \"policy_types\": {}, \"topology_template\": {}, \"name\": \"ToscaServiceTemplateSimple\", \"version\": \"1.0.0\", \"metadata\": {}}"
+             print "jsonGenerated: " + jsonGenerated
+             if not os.path.exists(cached_file_folder):
+                 os.makedirs(cached_file_folder, 0777)
+
+             with open(cached_file_header, 'w+') as f:
+                 f.write("{\"Content-Length\": \"" + str(len(jsonGenerated)) + "\", \"Content-Type\": \"application/json\"}")
+             with open(cached_file_content, 'w+') as f:
+                 f.write(jsonGenerated)
+         return True
      elif (self.path.startswith("/onap/controlloop/v2/commission")) and http_type == "POST":
          print "self.path start with POST /onap/controlloop/v2/commission, copying body to response ..."
          if not os.path.exists(cached_file_folder):